
.slife_load {
    width:100%;
    height:100%;
    filter:alpha(opacity=50);
    -moz-opacity:0.5;
    opacity:0.5;
    position:absolute;
    left:0;
    top:0;
    z-index:1000;
    vertical-align: middle;
    text-align: center;
}

.required {
    color: red;
}

.layui-layer-shade{
   opacity: -1!important;
}